WO1998054476A1 - Shaft-hub unit - Google Patents
Shaft-hub unit Download PDFInfo
- Publication number
- WO1998054476A1 WO1998054476A1 PCT/EP1998/002710 EP9802710W WO9854476A1 WO 1998054476 A1 WO1998054476 A1 WO 1998054476A1 EP 9802710 W EP9802710 W EP 9802710W WO 9854476 A1 WO9854476 A1 WO 9854476A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- shaft
- toothing
- hub
- area
- diameter
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
- F16D1/10—Quick-acting couplings in which the parts are connected by simply bringing them together axially
- F16D1/108—Quick-acting couplings in which the parts are connected by simply bringing them together axially having retaining means rotating with the coupling and acting by interengaging parts, i.e. positive coupling
- F16D1/116—Quick-acting couplings in which the parts are connected by simply bringing them together axially having retaining means rotating with the coupling and acting by interengaging parts, i.e. positive coupling the interengaging parts including a continuous or interrupted circumferential groove in the surface of one of the coupling parts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
- F16D1/06—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/22—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or type of main drive shafting, e.g. cardan shaft
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
- F16D1/10—Quick-acting couplings in which the parts are connected by simply bringing them together axially
- F16D2001/103—Quick-acting couplings in which the parts are connected by simply bringing them together axially the torque is transmitted via splined connections
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/19—Gearing
- Y10T74/19949—Teeth
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/19—Gearing
- Y10T74/19949—Teeth
- Y10T74/19963—Spur
Definitions
- the invention relates to a shaft-hub unit with a toothing arrangement for the transmission of torques, comprising a shaft with a shaft toothing and a hub with a hub toothing which interlock, wherein torques are introduced via a shaft shaft, at the end of which the shaft toothing is formed the tooth profile of the shaft toothing has a variable course in the longitudinal direction.
- Shaft-hub units of this type are used in particular for rotationally fixed connections between an axle shaft and a joint component of a swivel joint in the drive train of a motor vehicle.
- FR 1 581 658 discloses a shaft with shaft teeth for a shaft-hub unit, in which the root diameter and the tip diameter in the longitudinal direction are each on a cone, the tooth height being constant over the entire length of the tooth arrangement.
- the root circle diameter and the tip circle diameter increase towards the side of the shaft to which torque is introduced.
- such a toothing can neither be produced by established manufacturing processes with an axial feed direction such as broaching or drawing, nor by rolling with parallel roller beams.
- the axial position of the hub on the shaft depends on the tolerances of the cone. With a flat opening angle of the conical lateral surfaces, slight deviations in the angle have a major influence on the axial position of the hub. This is not acceptable for many applications.
- the present invention has for its object to provide a shaft-hub unit in which, for a given torque, the stresses at the shaft end of a toothing arrangement are as low as possible and the toothing can be produced using simple manufacturing processes.
- the shaft toothing in the longitudinal direction has a constant course of the head rice diameter and the hub toothing in the longitudinal direction has a constant course of the root circle diameter
- the toothing arrangement has at least two areas of axial extension, each with a constant course of the root circle diameter of the shaft toothing and constant course of the tip circle diameter the Has hub toothing, the area facing the shaft shaft of each of the two adjacent areas has the larger root diameter of the shaft toothing and the larger tip diameter of the hub toothing, and that of each two adjacent areas that area facing the shaft shaft has a tooth profile of the shaft toothing which is congruent with a head portion of the adjacent area forming the upper part of the tooth profile.
- both the shaft toothing and the hub toothing can be produced by means of manufacturing processes with axial feed directions.
- One design option is that the number of areas runs towards infinity, so that in practical terms the root circle diameter of the shaft toothing and the tip circle diameter of the hub toothing lie on a cone in the longitudinal direction.
- a favorable embodiment provides that of the tooth profiles of two adjacent areas, the tooth profile of the shaft toothing of the area facing away from the shaft shank, below the head portion forming the upper part of the tooth profile, the profile of which is congruent with the tooth profile of the adjacent area is and that the tooth flanks of the shaft toothing of that area which lies at the shaft end are only in contact with the tooth flanks of the hub toothing in a tooth root section which forms the lower part of the tooth profile. Except for the area that lies at the shaft end of the toothing arrangement, all areas have tooth thickness levels of the shaft toothing. In this case, only the foot section of the shaft toothing, which forms the lower part of the tooth profile, of the area which is furthest away from the shaft shaft, engages with the hub toothing without play.
- flanks of the shaft teeth have play relative to the flanks of the hub teeth.
- the shaft is able to twist in the areas in which the tooth flanks of the shaft toothing and the hub toothing do not touch until the flanks are in contact in all areas.
- the flanks of the shaft toothing increasingly come into axial contact with the flanks of the hub toothing, the area effective for torque transmission is extended to a greater length of the toothing arrangement.
- this embodiment results in lower maximum stresses.
- Another favorable embodiment provides transition areas in which the value of the root circle diameter of the shaft toothing in the longitudinal direction runs continuously from the diameter of the root circle of one adjacent area to the diameter of the root circle of the other adjacent area and in which the value of the tip circle diameter of the hub toothing in the longitudinal direction in each case continuously from the diameter of the tip circle of one area to the diameter of the tip circle of the other area. This avoids sharp-edged steps between the areas. This prevents unfavorable voltage peak as a result of notch effects and simplifies the manufacture of the gears.
- One training option is that in the transition area the root circle diameter of the shaft toothing and the tip circle diameter of the hub toothing each run on a cone.
- annular groove in the shaft toothing and an annular groove opposite this annular groove in the hub toothing are provided for axially securing the hub, which jointly accommodate axial securing means, in particular a circlip ring.
- axial securing means in particular a circlip ring.
- the ring grooves are located in the area that is furthest away from the shaft shaft. This ensures that the circlip is securely supported against the flanks of the ring grooves.
- the axial position of the hub with respect to the shaft is only influenced by the tolerances of the ring grooves and those of the axial securing means.
- FIG. 1 shows a longitudinal section through a shaft-hub unit according to the invention
- FIG. 2 shows a cross section through an inventive shaft-hub unit according to FIG. 1 in the area that is facing away from the shaft shaft;
- FIG. 3 shows a cross section through an inventive shaft-hub unit according to FIG. 1 in the region which faces the shaft shaft; 4 shows a cross section through a shaft-hub unit in the region that faces away from the shaft shaft, the shaft toothing having tooth thickness steps;
- FIG. 5 shows a cross section through a shaft-hub unit in the region facing the shaft shaft
- FIGS. 2 and 3 shows a voltage curve over the entire length of a toothing arrangement according to FIGS. 2 and 3;
- FIG. 7 shows a voltage curve over the entire length of a toothing arrangement according to FIGS. 4 and 5.
- FIG. 1 shows a section of a longitudinal section through a shaft-hub unit according to the invention, consisting of a shaft 1, a hub 2 and a round snap ring 3.
- the shaft 1 has a shaft shaft 4, via which torques are introduced into the shaft-hub unit , on.
- the shaft 1 has shaft teeth 5 and an annular groove 6 at the end of the shaft that faces away from the shaft shaft 4.
- the hub 2 has a hub toothing 7 and an annular groove 8.
- the toothing arrangement consisting of shaft toothing 5 and hub toothing 7 has a first region 9, a second region 10 and a transition region 11, the tip circle diameter of the shaft toothing assuming the constant value D w in all three regions.
- the root circle diameter of the hub toothing is also constant in all three areas and has the value d n .
- the first area 9, which faces away from the shaft shaft 4, has the length L ,, where the shaft toothing 5 has a root circle diameter with the value d wl and the hub toothing 7 has a tip circle diameter with the value D nl .
- the second area 10 with the length L 2 faces the shaft shaft 4.
- the shaft toothing 5 has a root diameter with the value d w2 , which is larger than the value of the root circle diameter d wl of the first area 9.
- the hub toothing 7 in the second area 10 has a tip circle diameter with the value D-. 2 , which is larger than the value of the tip circle diameter D nl of the first area 9.
- the transition area 11 with the length L 3 in which the root circle diameter of the shaft toothing 5 and the tip circle diameter of the hub toothing 7 in Continuously increase in the longitudinal direction from the first region 9 to the second region 10.
- the root circle diameter runs in the longitudinal direction from the value d wl to the value d w2 and the tip circle diameter of the hub toothing from the value D nl to the value D n2 .
- the first area 9 there are the ring grooves 6, 8, in which the circlip 3 is seated for axially securing the hub 2 with respect to the shaft 1.
- FIG. 2 shows the partial cross section through a shaft-hub unit according to the invention in the first area 9 according to FIG. 1.
- the teeth 14 of the shaft toothing 5 have convex tooth flanks 12, whereas the teeth 15 of the hub toothing 7 are designed with straight tooth flanks 13.
- the tooth flanks 12, 13 touch in the region of the pitch circle diameter D ⁇ .
- the shaft toothing 5 has a root circle diameter with the value d wl and a tip circle diameter with the value D w .
- the hub toothing 7 has a root diameter with the value d n and a head rice diameter with the value D nl .
- FIG. 3 shows a partial cross section through a shaft-hub unit according to the invention in the area 10 according to FIG. 1.
- the tooth flanks 23 of the shaft toothing 5 touch the tooth flanks 24 of the hub toothing 7 in the area of the pitch circle diameter D ⁇ .
- the tooth heights of the teeth 16, 17 are lower in the region 10 than in the region 9 according to FIG. 1.
- the root circle diameter of the shaft toothing 5 and the tip circle diameter of the hub toothing 7 have Area 10 each have a larger value than the comparable circle diameter in area 9 according to FIG. 2.
- the teeth 16 of the shaft toothing 5 have the same cross section as the teeth 14 according to FIG. 2 between the pitch circle diameter D ⁇ and the tip circle diameter D w .
- the teeth 17 of the hub toothing 7 have the same cross-section between the pitch circle diameter D ⁇ and the root circle diameter d n as the teeth 15 according to FIG. 2.
- FIG. 4 shows a partial cross section through a shaft-hub unit in the area 9 according to FIG. 1.
- the hub toothing 7 is designed here in exactly the same way as the hub toothing in FIG. 2.
- the teeth 18 of the shaft toothing 5, on the other hand, have a cross section that is different from the tip circle widened gradually to the base circle.
- the stage 21 is in the range of the pitch circle diameter D ⁇ .
- the cross section of the teeth 18 between the pitch circle diameter D ⁇ and the root circle diameter d wl is congruent with the comparable cross section of the teeth 14 in FIG. 2.
- the tooth flanks 20 of the teeth 18 of the shaft toothing 5 touch the tooth flanks 13 of the teeth 15 of the hub toothing 7 in the area of the pitch circle diameter D ⁇ .
- the tooth flanks 19 of the teeth 18 of the shaft toothing 5 between the pitch circle diameter D ⁇ and the tip circle diameter D w do not touch the tooth flanks 13 of the teeth 15.
- FIG. 5 shows a partial cross section through a shaft-hub unit in the area 10 according to FIG. 1.
- the hub toothing 7 is identical to the hub toothing in FIG. 3.
- the teeth 22 of the shaft toothing 5 have the same cross-section as the teeth 18 in FIG. 4 between the pitch circle diameter D ⁇ and the tip circle diameter D w .
- the tooth flanks 19 and 13 do not touch without a torque load, and torsion of the shaft 1 is made possible when torque is applied until, from a certain torque, the shaft 1 is twisted to such an extent that the tooth flanks 19, 13 come into contact.
- FIG. 6 shows voltage profiles over the length of toothing arrangements.
- Curve A represents the voltage curve of a shaft-hub unit according to the invention as shown in FIGS. 2 and 3.
- Curve B represents the voltage curve that results in a toothed arrangement according to the prior art, in which the tip diameter and the root diameter are both the hub toothing and the shaft toothing are constant over the entire length of the toothing arrangement.
- both voltage profiles continuously increase to a maximum and then decrease again slightly.
- the maximum of the voltage in the area of the torque introduction due to the increase in the section modulus of the shaft is lower than the maximum of curve B.
- FIG. 7 shows two voltage profiles over the length of toothing arrangements.
- Curve C represents the voltage curve of a shaft-hub unit according to FIGS. 4 and 5.
- Curve B represents the voltage curve that results in a toothing arrangement according to the prior art and has the same curve as curve B according to Figure 6.
- the course of curve C increases continuously from a low value at the end of the toothing arrangement facing away from the shaft shaft to a first maximum, then drops slightly and rises to a second maximum.
- the two maxima represent the voltages in the two areas according to FIGS. 4 and 5. Because the introduction of the torque is distributed over these two areas, the voltage values of the two maxima are in each case less than the voltage maximum of curve A in FIG. 6.
- Shaft-hub unit represents the voltage curve of a shaft-hub unit according to FIGS. 4 and 5.
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50014899A JP3194049B2 (en) | 1997-05-31 | 1998-05-08 | Shaft / hub unit |
BR9804928-3A BR9804928A (en) | 1997-05-31 | 1998-05-08 | Hub-axle unit. |
GB9901654A GB2331573B (en) | 1997-05-31 | 1998-05-08 | Shaft/hub unit |
US09/230,668 US6142033A (en) | 1997-05-31 | 1998-05-08 | Shaft-hub unit |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19722917.4 | 1997-05-31 | ||
DE19722917A DE19722917C1 (en) | 1997-05-31 | 1997-05-31 | Shaft and hub unit |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1998054476A1 true WO1998054476A1 (en) | 1998-12-03 |
Family
ID=7831085
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP1998/002710 WO1998054476A1 (en) | 1997-05-31 | 1998-05-08 | Shaft-hub unit |
Country Status (12)
Country | Link |
---|---|
US (1) | US6142033A (en) |
JP (1) | JP3194049B2 (en) |
KR (1) | KR100309980B1 (en) |
CN (1) | CN1115498C (en) |
BR (1) | BR9804928A (en) |
DE (1) | DE19722917C1 (en) |
ES (1) | ES2151821B1 (en) |
FR (1) | FR2764014B1 (en) |
GB (1) | GB2331573B (en) |
IT (1) | ITMI981176A1 (en) |
PL (1) | PL186012B1 (en) |
WO (1) | WO1998054476A1 (en) |
Cited By (1)
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EP1016801A1 (en) * | 1998-07-22 | 2000-07-05 | Ntn Corporation | Power transmission mechanism |
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JP3422316B2 (en) * | 2000-07-28 | 2003-06-30 | 株式会社豊田自動織機 | Propeller shaft and manufacturing method thereof |
US7643794B2 (en) * | 2003-04-07 | 2010-01-05 | Yoram Ofek | Multi-sector antenna apparatus |
JP2005054952A (en) * | 2003-08-07 | 2005-03-03 | Honda Motor Co Ltd | Power transmission mechanism for shaft and hub |
US7972078B2 (en) | 2003-08-07 | 2011-07-05 | Honda Motor Co., Ltd. | Power transmission mechanism of shaft and hub |
JP4340494B2 (en) * | 2003-08-07 | 2009-10-07 | 本田技研工業株式会社 | Shaft and hub power transmission mechanism |
US8043023B2 (en) | 2003-08-07 | 2011-10-25 | Honda Motor Co., Ltd. | Power transmission mechanism of shaft and hub |
DE102004035611A1 (en) * | 2004-07-22 | 2006-02-16 | Gkn Driveline International Gmbh | Connection of two components |
FR2879697B1 (en) * | 2004-12-17 | 2008-05-30 | Renault Sas | ROTATING RIBBED CONNECTION FOR DRIVING A MECHANICAL MEMBER |
CN102744280B (en) * | 2005-07-21 | 2015-11-25 | Gkn动力传动系统国际有限责任公司 | The parts of shaft-hub connection part and method, drawing die for manufacturing tooth thereon |
DE112005003630B4 (en) * | 2005-07-21 | 2013-04-11 | Gkn Driveline International Gmbh | Drawing die, gear rolling tool and method for producing a toothing on a component of a shaft-hub connection |
DE102005035706B4 (en) * | 2005-07-27 | 2008-01-31 | Gkn Driveline Deutschland Gmbh | Longitudinal variable toothing |
JP2007046640A (en) * | 2005-08-08 | 2007-02-22 | Honda Motor Co Ltd | Power transmission mechanism for shaft and hub |
JP4902191B2 (en) * | 2005-12-20 | 2012-03-21 | キヤノン株式会社 | Zoom lens and imaging apparatus having the same |
FR2905741B1 (en) * | 2006-09-07 | 2009-05-15 | Gkn Driveline Sa Sa | ASSEMBLY OF A SHAFT AND HUB WITH HINGES AND CORRESPONDING HOMOCINETIC JOINT. |
EP2060813A4 (en) | 2006-09-11 | 2011-01-12 | Ntn Toyo Bearing Co Ltd | Power transmission spline |
US7748925B2 (en) * | 2006-09-15 | 2010-07-06 | Aichi Machine Industry Co., Ltd. | Rotating member fixing structure |
FR2909146B1 (en) * | 2006-11-28 | 2009-06-05 | Snecma Sa | DEVICE FOR CONNECTING TWO ROTARY TREES, PARTICULARLY IN A TURBOMACHINE. |
US7905297B2 (en) | 2007-09-25 | 2011-03-15 | Deere & Company | Automatic connection for mid-mounted implement |
JP2009248594A (en) * | 2008-04-01 | 2009-10-29 | Ntn Corp | Bearing device for wheel |
DE102009052791A1 (en) * | 2009-11-11 | 2011-07-07 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH, 80809 | Device for coupling a drive shaft of an accessory of a commercial vehicle with a gear drive and method for producing this device |
DE102011104058B4 (en) * | 2011-06-11 | 2023-11-02 | Volkswagen Aktiengesellschaft | Connection arrangement between a cardan shaft and a gearbox |
US9404554B2 (en) * | 2013-07-17 | 2016-08-02 | Schaeffler Technologies AG & Co. KG | Transmission clutch damper |
DE102014210631A1 (en) * | 2014-06-04 | 2015-12-17 | Zf Friedrichshafen Ag | Sheet metal cylinder with driving profile and method of manufacture |
DE102015105524B4 (en) * | 2015-04-10 | 2024-01-18 | Wittenstein Se | transmission |
DE102015108991A1 (en) * | 2015-06-08 | 2016-12-08 | Hoerbiger Antriebstechnik Holding Gmbh | Hub, sliding sleeve and synchronization device and method for producing a hub and method for producing a sliding sleeve |
US10072712B2 (en) | 2015-06-18 | 2018-09-11 | GM Global Technology Operations LLC | Shaft coupling arrangement |
KR101616082B1 (en) * | 2015-11-12 | 2016-05-11 | 한용희 | Veneer tray and manufacturing method thereof |
DE102016204658A1 (en) * | 2016-03-21 | 2017-09-21 | Zf Friedrichshafen Ag | Hub carrier and method for its production |
DE102016111029A1 (en) * | 2016-06-16 | 2017-12-21 | Thyssenkrupp Ag | Toothed shaft and method for its production, method for producing a functional shaft |
FR3078110B1 (en) * | 2018-02-19 | 2020-03-06 | Safran Aircraft Engines | ASSEMBLY FOR HOLDING A GEAR TRAIN IN A TURBOMACHINE |
DE102018203675A1 (en) * | 2018-03-12 | 2019-09-12 | Em-Motive Gmbh | machine components |
DE102019200017A1 (en) * | 2019-01-03 | 2020-07-09 | Sms Group Gmbh | Shaft, hub and shaft / hub connection for transmitting a torque |
CN113619330A (en) * | 2021-09-24 | 2021-11-09 | 上海纳铁福传动系统有限公司 | Half shaft capable of preventing abnormal sound during starting and stopping |
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Publication number | Priority date | Publication date | Assignee | Title |
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GB993349A (en) * | 1962-12-06 | 1965-05-26 | Daimler Benz Ag | Improvements relating to couplings |
FR1581658A (en) | 1968-07-09 | 1969-09-19 | ||
DE2656946A1 (en) * | 1976-12-16 | 1978-06-29 | Daimler Benz Ag | GEAR SHAFT CONNECTION |
FR2663096A1 (en) * | 1990-06-12 | 1991-12-13 | Mannesmann Ag | Toothed connection between a shaft and a hub |
GB2264993A (en) * | 1992-03-12 | 1993-09-15 | Loehr & Bromkamp Gmbh | Securing shaft and hub together |
DE4415033C1 (en) | 1994-04-29 | 1995-08-10 | Loehr & Bromkamp Gmbh | Connection for transmission of torques |
DE19523584A1 (en) * | 1995-06-29 | 1997-01-02 | Zahnradfabrik Friedrichshafen | Positive shaft-hub connection |
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-
1997
- 1997-05-31 DE DE19722917A patent/DE19722917C1/en not_active Expired - Lifetime
-
1998
- 1998-05-08 US US09/230,668 patent/US6142033A/en not_active Expired - Lifetime
- 1998-05-08 JP JP50014899A patent/JP3194049B2/en not_active Expired - Lifetime
- 1998-05-08 GB GB9901654A patent/GB2331573B/en not_active Expired - Lifetime
- 1998-05-08 CN CN98800727A patent/CN1115498C/en not_active Expired - Lifetime
- 1998-05-08 BR BR9804928-3A patent/BR9804928A/en not_active IP Right Cessation
- 1998-05-08 WO PCT/EP1998/002710 patent/WO1998054476A1/en active IP Right Grant
- 1998-05-27 IT IT98MI001176A patent/ITMI981176A1/en unknown
- 1998-05-28 PL PL98326543A patent/PL186012B1/en not_active IP Right Cessation
- 1998-05-29 FR FR9806823A patent/FR2764014B1/en not_active Expired - Fee Related
- 1998-05-29 ES ES009801200A patent/ES2151821B1/en not_active Expired - Fee Related
-
1999
- 1999-01-29 KR KR1019997000801A patent/KR100309980B1/en not_active IP Right Cessation
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB993349A (en) * | 1962-12-06 | 1965-05-26 | Daimler Benz Ag | Improvements relating to couplings |
FR1581658A (en) | 1968-07-09 | 1969-09-19 | ||
DE2656946A1 (en) * | 1976-12-16 | 1978-06-29 | Daimler Benz Ag | GEAR SHAFT CONNECTION |
FR2663096A1 (en) * | 1990-06-12 | 1991-12-13 | Mannesmann Ag | Toothed connection between a shaft and a hub |
GB2264993A (en) * | 1992-03-12 | 1993-09-15 | Loehr & Bromkamp Gmbh | Securing shaft and hub together |
DE4415033C1 (en) | 1994-04-29 | 1995-08-10 | Loehr & Bromkamp Gmbh | Connection for transmission of torques |
DE19523584A1 (en) * | 1995-06-29 | 1997-01-02 | Zahnradfabrik Friedrichshafen | Positive shaft-hub connection |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1016801A1 (en) * | 1998-07-22 | 2000-07-05 | Ntn Corporation | Power transmission mechanism |
EP1016801A4 (en) * | 1998-07-22 | 2001-05-16 | Ntn Toyo Bearing Co Ltd | Power transmission mechanism |
US6685572B2 (en) | 1998-07-22 | 2004-02-03 | Ntn Corporation | Power transmission mechanism |
Also Published As
Publication number | Publication date |
---|---|
GB2331573B (en) | 2001-05-23 |
DE19722917C1 (en) | 1998-08-13 |
ES2151821B1 (en) | 2001-08-01 |
GB2331573A (en) | 1999-05-26 |
CN1228144A (en) | 1999-09-08 |
KR20000029702A (en) | 2000-05-25 |
GB9901654D0 (en) | 1999-03-17 |
CN1115498C (en) | 2003-07-23 |
FR2764014A1 (en) | 1998-12-04 |
ES2151821A1 (en) | 2001-01-01 |
KR100309980B1 (en) | 2001-09-29 |
US6142033A (en) | 2000-11-07 |
PL326543A1 (en) | 1998-12-07 |
FR2764014B1 (en) | 1999-09-10 |
ITMI981176A1 (en) | 1999-11-29 |
JPH11514079A (en) | 1999-11-30 |
BR9804928A (en) | 1999-09-08 |
JP3194049B2 (en) | 2001-07-30 |
PL186012B1 (en) | 2003-09-30 |
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